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International Comfort Products N9MP2125J20C1 Limit Switch
This is important because if the air is not warm enough then you will never get hot air through the ducts. A normal limit switch has a sensor in the heating area that senses, or governs, when the heated air is warm enough to activate the main blower.
Key signs of an ineffective limit type switch
- The HVAC system refuses to start or will not stay running longer than a minute
- The system is starting to become inconsistent repeatedly
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